Portion of an optical scanner



FIG. 1 is an isometric view of a portion of an optical scanner showing our new design wherein the broken lines are shown for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is an enlarged, partially cut away, left side elevational view thereof with a front left portion removed to more clearly show the front contour.

The rear view is unornamented and does not form any part of Applicants' claimed invention. 

The ornamental design for a portion of an optical scanner, as shown and described. 